Alert archive / New Mexico / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 16, NWS El Paso, TX

July 26, 2009Grant County, New Mexico

NWS El Paso, TX issued this severe thunderstorm warning at Jul 26, 2009, 5:54 PM MDT for Grant County, New Mexico. It was in force for 51 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 26, 2009, 5:54 PM MDT (23:54 UTC)
Expired
Jul 26, 2009, 6:45 PM MDT
In force
51 min
Issued by
NWS El Paso, TX
Area
Storm-based polygon

County Grant County, NM

The radar

The El Paso radar (KEPZ), 185 km from the middle of the area, began a volume at 23:55 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Albuquerq/Krtlnd, NM (KABQ), launched 12:00Z, 11.9 hours before the alert went out and 305 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Albuquerq/Krtlnd, NM at 12:00Z on 2009-07-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Albuquerq/Krtlnd, NM at 12:00Z on 2009-07-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 54 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2169 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
54 m²/s²
0-3 km storm-relative helicity
89 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS El Paso, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 26, 2:41 PM MDT, 3 hours 13 minutes earlier.

Area forecast discussion, Jul 26, 2:41 PM MDT, 3 hours 13 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE EL PASO TX/SANTA TERESA NM
241 PM MDT SUN JUL 26 2009

.SYNOPSIS...
AN AREA OF UPPER LEVEL HIGH PRESSURE WILL CONTINUE TO CONTROL OUR
WEATHER DURING THE NEXT WEEK. EACH DAY WILL SEE A SLIGHT CHANCE
FOR THUNDERSTORMS...MAINLY IN AREA MOUNTAINS. TEMPERATURES WILL
CONTINUE TO RUN AROUND FIVE DEGREES ABOVE NORMAL DURING MOST OF
THE WEEK WHICH WILL GIVE MOST LOWLAND LOCATIONS HIGHS NEAR OR A
LITTLE ABOVE 100.

&&

.DISCUSSION...
AND THE BEAT GOES ON. NOT MUCH CHANGE TO THE FORECAST AS HIGH
PRESSURE CONTINUES TO REMAIN IN CONTROL OF OUR WEATHER. THE HIGH
CURRENTLY CENTERED OVER SOUTHERN NEW MEXICO OR NORTHERN MEXICO.
NOW THAT THE HIGH HAS DRIFTED A LITTLE FURTHER SOUTH WE WILL SEE
A WESTERLY FLOW TAKE CONTROL OF OUR WEATHER FOR THE NEXT FEW DAYS.
THE HIGH WILL CONTINUE TO SLOWLY SLIP OFF TO THE SOUTHWEST OVER
THE NEXT 24 TO 48 HOURS. THIS WILL ALLOW A LITTLE MOISTURE TO SLIP
INTO THE EASTERN PART OF THE AREA AND ALLOW ANY POSSIBLE
DISTURBANCES IN THE FLOW TO MOVE ACROSS THE EASTERN HALF OF NEW
MEXICO. I RAISED THE POPS IN THE SACS INTO THE SCATTERED
CATEGORY...BUT KEPT THE LOWLANDS STILL IN THE ISOLATED RANGE FOR
MONDAY AFTERNOON AS THE UPPER HIGH WILL STILL HAVE A LIMITING
FACTOR ON THUNDERSTORMS. TUESDAY COULD SEE MORE OF THE SAME...THEN
ON WEDNESDAY THE GFS INDICATES THAT THE HIGH WILL AGAIN BEGIN TO
DRIFT BACK TOWARD NEW MEXICO. LIKE YESTERDAY THIS WILL HAVE A
SUPPRESSING EFFECT ON OUR RAIN CHANCES. PREVIOUS MODEL RUNS OF THE
GFS HAD THE UPPER HIGH CONTINUING TO DRIFT EAST AND BEGIN TO GIVE
US A MONSOONAL FLOW BY THE END OF THE COMING WEEKEND. BUT THE
CURRENT RUNS OF BOTH THE GFS AND ECMWF DONT SHOW ANY SIGNS OF A
MONSOONAL FLOW THROUGH THE FIRST PART OF NEXT WEEK.

LOOKING AT TEMPERATURES...WITH THE HIGH CONTINUING TO LINGER NEAR
THE AREA WE WILL CONTINUE TO SEE OUR HIGH TEMPERATURES RUNNING
AROUND FIVE TO SEVEN DEGREES ABOVE NORMAL FOR MUCH OF THE COMING
WEEK. THE LOW TRIPLE DIGIT HEAT LOOKS TO CONTINUE FOR MUCH OF THIS
COMING WEEK IN THE LOWLANDS.

&&

.AVIATION...VALID 27/0000Z-28/0000Z...
MAINLY VFR THROUGH THE PERIOD. HIGH PRESSURE OVER SOUTHERN NEW
MEXICO WILL LIMIT SHOWER AND THUNDERSTORM THIS EVENING WITH MOST
ACTIVITY OVER AREA MOUNTAINS. THUNDERSTORM ACTIVITY MAY INCREASE
MONDAY AFTERNOON AND EVENING AS COOLER AIR ALOFT MOVES IN FROM
THE NORTHWEST. WINDS WILL REMAIN LIGHT EXCEPT NEAR THUNDERSTORMS.

&&

.FIRE WEATHER...
HIGH PRESSURE OVER SOUTHERN NEW MEXICO WILL DRIFT TO NORTHERN SONORA
TONIGHT AND MONDAY. THIS WILL CAUSE NORTHWEST FLOW ALOFT AND WILL
BRING IN COOLER AIR THAT WILL MAKE THE ATMOSPHERE MORE UNSTABLE. A
WEAK DISTURBANCE MOVING THROUGH THE FLOW WILL HELP TRIGGER ISOLATED
TO SCATTERED SHOWERS AND THUNDERSTORMS TUESDAY...ESPECIALLY OVER THE
GILA AND THE SACRAMENTO MOUNTAINS. BY WEDNESDAY...WINDS ALOFT WILL
TURN MORE TO THE WEST AS THAT HIGH PRESSURE WEAKENS. THIS WILL BRING
DRIER AIR IN FROM THE WEST WITH A SUBSEQUENT DECREASE IN SHOWER AND
THUNDERSTORM ACTIVITY. TEMPERATURES WILL REMAIN WELL ABOVE NORMAL
INTO NEXT WEEKEND. HUMIDITY IN THE MID TEENS TO MID 20S ACROSS LOWER
DESERTS EACH AFTERNOON...AND FROM THE UPPER 20S TO MID 30S ACROSS
HIGHER ELEVATIONS.

&&

.PRELIMINARY POINT TEMPS/POPS...
EL PASO                 77 102  78 102  77 /  20  20  20  10  20
SIERRA BLANCA TX        68  99  69  99  68 /  20  20  20  10  20
LAS CRUCES              73 101  74 101  73 /  20  20  20  10  20
ALAMOGORDO              70  98  71  98  70 /  20  30  20  10  20
CLOUDCROFT              51  77  52  77  51 /  20  30  30  20  20
TRUTH OR CONSEQUENCES   70  99  71  99  70 /  20  20  20  10  20
SILVER CITY             64  93  65  92  64 /  20  20  20  20  10
DEMING                  70 101  71 100  70 /  20  10  10  10  10
LORDSBURG               71 101  72 101  71 /  20  10  10  10  10

&&

.EPZ WATCHES/WARNINGS/ADVISORIES...
NM...NONE.
TX...NONE.
&&

BRICE/PARK
Hazardous weather outlook, Jul 26, 11:38 AM MDT, 6 hours 16 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE EL PASO TX/SANTA TERESA NM
1138 AM MDT SUN JUL 26 2009

NMZ022>025-030>032-TXZ055-056-271745-
SOUTHWEST MOUNTAINS/LOWER GILA REGION-SIERRA COUNTY LAKES REGION-
TULAROSA BASIN/SOUTHERN DESERT-SOUTHERN SACRAMENTO MOUNTAINS-
SOUTHWEST DESERT/BOOTHEEL-SOUTHWEST DESERT/MIMBRES BASIN-
SOUTHERN DESERT-EL PASO-HUDSPETH-
1138 AM MDT SUN JUL 26 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTH CENTRAL
NEW MEXICO...SOUTHWEST NEW MEXICO AND SOUTHWEST TEXAS.

.DAY ONE...THIS AFTERNOON AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. ISOLATED
THUNDERSTORMS MAY DEVELOP OVER AREA MOUNTAINS THIS AFTERNOON AND
EARLY EVENING.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. THERE WILL BE A
SLIGHT CHANCE FOR AFTERNOON AND EVENING THUNDERSTORMS EACH DAY
THIS WEEK...BUT MOST DAYS WILL BE SUNNY AND HOT.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

In the hours before

Special weather statement, Jul 26, 4:21 PM MDT, 1 hour 33 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE EL PASO TX
421 PM MDT SUN JUL 26 2009

NMZ022-023-262315-
SIERRA COUNTY LAKES REGION NM-
SOUTHWEST MOUNTAINS/LOWER GILA REGION NM-
421 PM MDT SUN JUL 26 2009

...STRONG THUNDERSTORMS IN SIERRA COUNTY NEW MEXICO

AT 414 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED AN
AREA OF STRONG THUNDERSTORMS...CAPABLE OF PRODUCING WINDS UP TO 50
MPH AND HAIL UP TO ONE HALF INCH IN DIAMETER 17 MILES NORTHWEST OF
TRUTH OR CONSEQUENCES. MOVEMENT WAS SOUTHEAST AT 10 TO 15 MPH.

IN ADDITION...THESE STORMS COULD PRODUCE FROM 1 TO 1.5 INCHES OF
RAINFALL IN AN HOUR OR LESS AND CAUSE BRIEF FLOODING OF LOW WATER
CROSSINGS AND ARROYOS.

LOCATIONS IN THE PATH OF THIS STORM INCLUDE ARREY...CABALLO...
CUCHILLO...ELEPHANT BUTTE...HILLSBORO AND MONTICELLO.

MOTORISTS CAN EXPECT BRIEF...BUT SUDDEN CHANGES IN VISIBILITY AND
PONDING OF WATER ON THE HIGHWAYS AS THIS STORM MOVES THROUGH THE
AREA. DO NOT ATTEMPT TO TRAVEL INTO AREAS WHERE WATER IS CROSSING OR
PONDING ON ROADWAYS. REMEMBER...TURN AROUND...DONT DROWN.

20 NOVLAN
Special weather statement, Jul 26, 5:20 PM MDT, 34 minutes before
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Nearby

Severe Thunderstorm Warnings in New Mexico, 2009Every severe thunderstorm warning in 2009

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.